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Fair Value Measurements (Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Apr. 02, 2016
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |  |
Servicing Asset at Fair Value, Amount |  | $ 1,008 | $ 803
Recurring [Member] | US Treasury and Government [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | (649) |
Recurring [Member] | Mortgage-backed securities [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | (5,774) |
Recurring [Member] | Securities issued by states and political subdivisions [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | (7,228) |
Recurring [Member] | Corporate debt securities [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | (1,677) |
Recurring [Member] | Marketable equity securities [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | (8,908) |
Recurring [Member] | Interest rate lock commitments [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [2] | (1) |
Recurring [Member] | Forward loan sale commitments [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [2] | (108) |
Recurring [Member] | Mortgage servicing rights [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [3] | (1,008) |
Estimate of Fair Value Measurement [Member] | Fair Value, Measurements, Nonrecurring [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |  |
Loans Held for Investment Fair Value Disclosure |  | 94,483 |
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Nonrecurring [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |  |
Loans Held for Investment Fair Value Disclosure |  | 0 |
Fair Value, Inputs, Level 1 [Member] | Recurring [Member] | US Treasury and Government [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 0 |
Fair Value, Inputs, Level 1 [Member] | Recurring [Member] | Mortgage-backed securities [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 0 |
Fair Value, Inputs, Level 1 [Member] | Recurring [Member] | Securities issued by states and political subdivisions [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 0 |
Fair Value, Inputs, Level 1 [Member] | Recurring [Member] | Corporate debt securities [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 0 |
Fair Value, Inputs, Level 1 [Member] | Recurring [Member] | Marketable equity securities [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | (8,908) |
Fair Value, Inputs, Level 1 [Member] | Recurring [Member] | Interest rate lock commitments [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [2] | 0 |
Fair Value, Inputs, Level 1 [Member] | Recurring [Member] | Forward loan sale commitments [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [2] | 0 |
Fair Value, Inputs, Level 1 [Member] | Recurring [Member] | Mortgage servicing rights [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [3] | 0 |
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Nonrecurring [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |  |
Loans Held for Investment Fair Value Disclosure |  | 0 |
Fair Value, Inputs, Level 2 [Member] | Recurring [Member] | US Treasury and Government [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | (649) |
Fair Value, Inputs, Level 2 [Member] | Recurring [Member] | Mortgage-backed securities [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | (5,774) |
Fair Value, Inputs, Level 2 [Member] | Recurring [Member] | Securities issued by states and political subdivisions [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | (7,228) |
Fair Value, Inputs, Level 2 [Member] | Recurring [Member] | Corporate debt securities [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | (1,677) |
Fair Value, Inputs, Level 2 [Member] | Recurring [Member] | Marketable equity securities [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 0 |
Fair Value, Inputs, Level 2 [Member] | Recurring [Member] | Interest rate lock commitments [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [2] | 0 |
Fair Value, Inputs, Level 2 [Member] | Recurring [Member] | Forward loan sale commitments [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [2] | 0 |
Fair Value, Inputs, Level 2 [Member] | Recurring [Member] | Mortgage servicing rights [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [3] | 0 |
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |  |
Loans Held for Investment Fair Value Disclosure |  | 94,483 |
Fair Value, Inputs, Level 3 [Member] | Recurring [Member] | US Treasury and Government [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 0 |
Fair Value, Inputs, Level 3 [Member] | Recurring [Member] | Mortgage-backed securities [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 0 |
Fair Value, Inputs, Level 3 [Member] | Recurring [Member] | Securities issued by states and political subdivisions [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 0 |
Fair Value, Inputs, Level 3 [Member] | Recurring [Member] | Corporate debt securities [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 0 |
Fair Value, Inputs, Level 3 [Member] | Recurring [Member] | Marketable equity securities [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 0 |
Fair Value, Inputs, Level 3 [Member] | Recurring [Member] | Interest rate lock commitments [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [2] | (1) |
Fair Value, Inputs, Level 3 [Member] | Recurring [Member] | Forward loan sale commitments [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [2] | (108) |
Fair Value, Inputs, Level 3 [Member] | Recurring [Member] | Mortgage servicing rights [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [3] | $ (1,008) |
[1] | Unrealized gains or losses on investments are recorded in accumulated other comprehensive income (loss) at each measurement date
[2] | Gains or losses on derivatives are recognized in current period earnings through cost of sales.
[3] | Changes in the fair value of mortgage servicing rights are recognized in the current period earnings through net revenue.

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=68078379&loc=d3e122625-111746 + Details
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